Planet HD 149382 b

Name HD 149382 b
Discovered in 2009
M × sin i 15.5 (± 7.5) MJ
Semi-major axis 0.0256 (± 0.0026) AU
Orbital period 2.391 (± 0.002) day
Eccentricity
ω
Tperi
Radius
Inclination 39.0 (± 13.0) deg;
Update Oct. 10, 2011
Detection method controversial
Molecules detected
Primary transit
Secondary transit
Anomaly angle
Time Vr=0 2453932.20689 JD
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)

Remarks

10 Oct 2011: Based on 10 RV data, Norris er al. (2011) "exclude the presence of almost any substellar companion with P < 28 days and Msin i > ~ 1 Mjup."
24 Jan 2011: Based on 26 high resolution spectra over 55 days, Jacobs et al. (2011) "rule out any RV variations with amplitudes higher than 0.79 km/s on periods shorter than 50 days."

Star

Name HD 149382
Distance 74.0 (± 8.0) pc
Spectral type B5 D
Apparent magnitude V 8.95
Mass 0.41 (± 0.12) MSun
Age
Effective temperature 35500.0 (± 500.0) K
Radius
Metallicity [Fe/H]
RA2000 16:34:23.0
Dec2000 -04:00:52
Planetary system 1 planet

More data


Related publications

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Content
Content and Chapter 5

Non-Detection of the Putative Substellar Companion to HD 149382
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Discovery of a close substellar companion to the hot subdwarf star HD 149382 - The decisive influence of substellar objects on late stellar evolution
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paper

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